Dayid nelson



DQNELSON.

PLOW.

No. 44,442. Patented Sept. 27, 1864.

UNITED STATES PATENT OFFICE.

DAVID NELSON, OF PORT WASHINGTON, OHIO.

PLQW.

Specification formingpart of Letters Patent N0. 44.442, dated Se tember 27, 1864.

I5 an whom it may concern:

Be it known that I, DAVID NELSON, of Port 'Washington, in the county of Tuscarawas and State of Ohio, hat e invented a newand useful Improvement on the Plow; and I do hereby declure'that the following is a full, clear, and exact description of the same;

My invention consists in an improvement on the plowshare, whereby a steel point may be applied upon the principle of the shank and socket to any of the plows in common use.

The share of cast-iron is made with margins and hearings to fit upon any plow to which it may be desired to attach it. It is some two or more inches shorter, alsov thicker and wider at its point or end. In the frontend of the share there is a recess or socket of dimensions suflicient to receive the shank, onwhich is fixed the cutting point or hit. The shank is, say, two and one-half inches in length, threeeighths ofone inch in thickness, andone and tended to apply. About "the,middle of the socket A, I cast or drill a hole, a, through the upper and lower walls forming the socket.

The point B should be made of steel, or it may be made of wrought-iron, and the blade b faced with steel. The shank B is accurately fitted to the socket, and a hole, b, punched or drilled so as to nearly to correspond with the hole a in the socket; but this hole should-be a. trifle'nearer to the shoulderc of the point than the hole a is from the front end of the socket, so that when the pin or key 0', by which the two parts are fastened together, is driven in the shoulder a will theiebybe drawn firmly against the end of the socket. The point can be removed for sharpening simply by drivingout the pin If from any cause the point B should incline to work loose in consequence of the wearing of either of the holes or key. a thin washerof metal may beinterposed between the shoulder and the socket, and by driving the key will be made fast.

What I claim as my improvement, and de sire to secure by Letters Patent, is-

A plowshare cast with a socket for the purpose of receiving and securing a steel point, in the manner and for the purpose herein-set forth.

' DAVID NELSON. -Witnesses:

CHARLES LANG, l SOPHIA A. 601mm. 

